Satisfaction Guarantee

We guarantee your satisfaction or the improved performance in your vehicle when you use Bosch Iridium Spark Plugs. If you are not satisfied or do not experience quicker starts and smoother acceleration, return the plugs with your dated sales receipt and Bosch will refund the purchase price of the spark plugs.

OE Fine Wire Iridium

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OE Fine Wire Double Platinum

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OE Fine Wire Platinum

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Platinum IR Fusion

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Platinum +4

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Platinum +2

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Super Plus

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